Structural Organisation In Animals
1) Which of the following is not associated with epithelium?
A) Cells are compactly packed with little intercellular space
B) It is highly vascularized
C) It forms covering or lining of external and internal surfaces
D) It helps in protection, secretion, absorption, respiration, etc.
Answer B) It is highly vascularized
Epithelial cells are not vascularized and are dependent on underlying conective tissue
2) The terms squamous and cuboidal apply to the ______ of cells in ______ tissue
A) Location, connection
B) Shape, connection
C) Location, nerve
D) Shape, epithelial
Answer D) Shape, epithelial
Squamous and cuboidal are epithelial tissue
3) Which of the following statements is false about the glands?
A) Goblet cells secrete mucus
B) Exocrine glands possess duct for secretion of m·ucus, milk, saliva, earwax, digestive enzymes, oil and other cell products
C) Glandular epithelium consists of specialized columnar or cuboidal cells
D) Endocrine glands secrete a variety of enzymes only
Answer D) Endocrine glands secrete a variety of enzymes only
Endocrine glands secrete harmones
4) Adjacent epithelial cells are joined together by -
A) Desmosomes
B) Oxysomes
C) Desmonemes
D) Plasmodesmata
Answer A) Desmosomes
Desmosomes are also called as adhering junctions
5) Which of the following are the three basic components of all type of connective tissues except blood?
A) Cells, fibres and ground substances
B) Fibroblast, reticular fibres and collagen
C) Mast cells, lymphocytes and adipocyte
D) Arteries, veins and capillaries
Answer A) Cells, fibres and ground substances
Fibres are absent in blood
6) Cartilage is produced by -
A) Fibroblast
B) Osteoblast
C) Chondrocytes
D) Epithelial cells
Answer C) Chondrocytes
Chondocyte cells produce cartilage
7) Cells of cartilage (chondrocyte) are enclosed in small cavities within the matrix secreted by-
A) Osteolast
B) Osteoblast
C) Chondrocyte
D) Chondroclasts
Answer C) Chondrocyte
Chondrocyte cells secrete the matrix
8) Bone marrow in some bones is important for
A) Production of rbc
B) Breakdown of rbc
C) Production of wbc
D) Breakdown of wbc
Answer A) Production of rbc
Red bone marrow of long bones is the important place for production of RBC
9) Which of the following salts predominate in bone matrix?
A) Nacl
B) Magnesium phosphate
C) Calcium phosphate
D) Calcium carbonate
Answer C) Calcium phosphate
Calcium phosphate is the main salt present in the bone matrix
10) Which of the following statements is false about the muscles?
A) Wall of blood vessels, stomach and intestine contain striated muscles
B) The smooth muscle fibres are fusiform
C) Cell junctions hold smooth muscle fibres together and they are bundled together in a connective tissue sheath
D) Both a and b
Answer A) Wall of blood vessels, stomach and intestine contain striated muscles
They are made of smooth muscle
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